Sep 16, 2025 · A Metro train derailed in downtown Los Angeles on Tuesday, snarling light rail service for about six hours during the peak of the evening commute. The derailed train was at …

To derail something such as a plan or a series of negotiations means to prevent it from continuing as planned.

The meaning of DERAIL is to cause to run off the rails. How to use derail in a sentence.

DERAIL definition: to cause (a train, streetcar, etc.) to run off the rails of a track. See examples of derail used in a sentence.

The two primary emotions that derail rational decision-making are greed and fear.

Definition of derail verb in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

1. to cause (a train, streetcar, etc.) to run off the rails of a track. 2. to cause to be deflected from a purpose or direction, permanently or temporarily: A skiing accident derailed her dancing …

de•rail /diˈreɪl/ v. Rail Transport (of a train, etc.) to (cause to) run off the rails of a track: [no object] When the train derailed it was going at 100 mph. [~ + object] The train was derailed when it …

Sep 16, 2025 · Metro reported significant delays on two train lines Tuesday due to a train derailment at a station in downtown Los Angeles. A northbound A Line train derailed at around …

Dec 14, 2025 · derail (plural derails) Synonym of derailer: A device placed on railway tracks in order to cause a train to derail.